Messages in this thread Patch in this message | | | Date | Thu, 10 Sep 2009 17:23:07 -0700 | From | Greg KH <> | Subject | [patch 21/22] dm exception store: split set_chunk_size |
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2.6.30-stable review patch. If anyone has any objections, please let us know.
------------------ From: Mikulas Patocka <mpatocka@redhat.com>
commit 2defcc3fb4661e7351cb2ac48d843efc4c64db13 upstream.
Break the function set_chunk_size to two functions in preparation for the fix in the following patch.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/md/dm-exception-store.c | 8 ++++++++ drivers/md/dm-exception-store.h | 4 ++++ 2 files changed, 12 insertions(+)
--- a/drivers/md/dm-exception-store.c +++ b/drivers/md/dm-exception-store.c @@ -171,6 +171,14 @@ static int set_chunk_size(struct dm_exce */ chunk_size_ulong = round_up(chunk_size_ulong, PAGE_SIZE >> 9); + return dm_exception_store_set_chunk_size(store, chunk_size_ulong, + error); +} + +int dm_exception_store_set_chunk_size(struct dm_exception_store *store, + unsigned long chunk_size_ulong, + char **error) +{ /* Check chunk_size is a power of 2 */ if (!is_power_of_2(chunk_size_ulong)) { *error = "Chunk size is not a power of 2"; --- a/drivers/md/dm-exception-store.h +++ b/drivers/md/dm-exception-store.h @@ -168,6 +168,10 @@ static inline chunk_t sector_to_chunk(st int dm_exception_store_type_register(struct dm_exception_store_type *type); int dm_exception_store_type_unregister(struct dm_exception_store_type *type); +int dm_exception_store_set_chunk_size(struct dm_exception_store *store, + unsigned long chunk_size_ulong, + char **error); + int dm_exception_store_create(struct dm_target *ti, int argc, char **argv, unsigned *args_used, struct dm_exception_store **store);
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